<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <h1>价格:{{price}}</h1>
        <h1>价格:{{price|curry('￥')}}</h1>
        <h1>价格:{{xx('$')}}</h1>
    </div>
    <script>
        new Vue({
            el:"#app",
            data:{
                price:1234,
            },
            filters :{
                curry(p1,p2){
                return p1+p2;
            }
        },
        methods: {
                xx(flg) {
                    return flg + this.price;
                }
                }
        })
    </script>
</body>
</html>